• Why can't I see the complete Face Tools UI in ZB?
  
• The character looks different in CC and ZBrush after several rounds of Relink and Update.
  
• The diffuse texture looks different between ZBrush and CC.
  
• Unexpected border lines appear when wrinkle diffuse textures are updated in CC from ZBrush.
  
• Adjusting polypaint in ZBrush leads to artifacts in the texture map.
  
• Polygroups assigned above Subdiv 1 do not yield accurate results upon relinking.
  
• Use-cases for Reset Face Tools
  
• The diffuse map automatically gets replaced when the Refresh Face Tools button is pressed.
  
• After the CC character is sent to ZBrush, the wrinkle diffuse texture becomes pure white when an expression is picked.